Date of download: 10/12/2017 Copyright © ASME. All rights reserved. From: Experimental Determination of Spectral Transmittance of Porous Cerium Dioxide in the Range 900–1700 nm J. Heat Transfer. 2011;133(10):104501-104501-6. doi:10.1115/1.4003970 Figure Legend: Schematic of the experimental setup: (#1) short-arc xenon lamp, (#2) cut-on optical filters, (#3) optical chopper, (#4) monochromator, (#5a) and (#5b) collimating and focusing lens assemblies, (#6) sample holder, (#7a) and (#7b) iris diaphragms, (#8) pinhole, (#9) germanium detector, (#10) lock-in amplifier and chopper head driver, and (#11) PC data acquisition and hardware controlling system